Seiko Cal. 4551 - 131

This Automatic model from 1973 features a 45mm PVD Black case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-dc76f08b551c]

Also known as: Sumo, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1973

Related Models

• Seiko 6667-863
• Seiko 6159-970
• Seiko 5661-951
• Seiko 3888-495
• Seiko 3897-440
• Seiko 5649-649
• Seiko 3830-165
• Seiko 4479-683
• Seiko 5279-796
• Seiko 6148-808
• Seiko 5694-451
• Seiko 3816-752